This work shows the studies about relation space physical, activities distribution, and public space appropriation in one of the most emblematical space in Curitiba: XV de November Street. The object of this work is recognize the real meaning of the most importat space in the city, to collect contribution to protection and spacial qualification. The search uses like theoretical and concept base the Syntax space theory to evaluate the relation intended. The results show the big potential that central region, where street XV de November is, in public space appropriation.